VULNERABILITY INTELLIGENCE

CVE-2025-66620

CVSS score8 HIGH
EPSS probability0.46%
CISA KEVNot currently listed
Published2026-01-07
Last modified2026-10-07
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and directories. An attacker with admin access to MicroServer can gain limited shell access, enabling persistence through reverse shells, and the ability to modify or remove data stored in the file system.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-553

Primary references